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mesa/src/compiler/glsl/standalone.cpp
Timothy Arceri cbfc225e2b glsl: switch to a full nir based linker 
This commit does 3 things at once (3 squashed commits) as required
to make sure the commit doesn't break things.

1. convert to nir at compile time
2. enable full nir linking
3. switch standalone compiler to nir linker

Acked-by: Marek Olšák <marek.olsak@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/31137>
2024-09-25 09:39:44 +00:00

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/*
* Copyright © 2008, 2009 Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#include <getopt.h>
/** @file standalone.cpp
*
* Standalone compiler helper lib. Used by standalone glsl_compiler and
* also available to drivers to implement their own standalone compiler
* with driver backend.
*/
#include "ast.h"
#include "glsl_parser_extras.h"
#include "ir_optimization.h"
#include "program.h"
#include "standalone_scaffolding.h"
#include "standalone.h"
#include "util/set.h"
#include "gl_nir_linker.h"
#include "glsl_parser_extras.h"
#include "builtin_functions.h"
#include "main/mtypes.h"
#include "program/program.h"
static const struct standalone_options *options;
static const struct nir_shader_compiler_options nir_vs_options = { 0 };
static const struct nir_shader_compiler_options nir_fs_options = { 0 };
static void
initialize_context(struct gl_context *ctx, gl_api api)
{
initialize_context_to_defaults(ctx, api);
_mesa_glsl_builtin_functions_init_or_ref();
ctx->Version = 450;
ctx->Const.ShaderCompilerOptions[MESA_SHADER_VERTEX].NirOptions =
&nir_fs_options;
ctx->Const.ShaderCompilerOptions[MESA_SHADER_FRAGMENT].NirOptions =
&nir_vs_options;
/* The standalone compiler needs to claim support for almost
* everything in order to compile the built-in functions.
*/
ctx->Const.GLSLVersion = options->glsl_version;
ctx->Extensions.ARB_ES3_compatibility = true;
ctx->Extensions.ARB_ES3_1_compatibility = true;
ctx->Extensions.ARB_ES3_2_compatibility = true;
ctx->Const.MaxComputeWorkGroupCount[0] = 65535;
ctx->Const.MaxComputeWorkGroupCount[1] = 65535;
ctx->Const.MaxComputeWorkGroupCount[2] = 65535;
ctx->Const.MaxComputeWorkGroupSize[0] = 1024;
ctx->Const.MaxComputeWorkGroupSize[1] = 1024;
ctx->Const.MaxComputeWorkGroupSize[2] = 64;
ctx->Const.MaxComputeWorkGroupInvocations = 1024;
ctx->Const.MaxComputeSharedMemorySize = 32768;
ctx->Const.MaxComputeVariableGroupSize[0] = 512;
ctx->Const.MaxComputeVariableGroupSize[1] = 512;
ctx->Const.MaxComputeVariableGroupSize[2] = 64;
ctx->Const.MaxComputeVariableGroupInvocations = 512;
ctx->Const.Program[MESA_SHADER_COMPUTE].MaxTextureImageUnits = 16;
ctx->Const.Program[MESA_SHADER_COMPUTE].MaxUniformComponents = 1024;
ctx->Const.Program[MESA_SHADER_COMPUTE].MaxCombinedUniformComponents = 1024;
ctx->Const.Program[MESA_SHADER_COMPUTE].MaxInputComponents = 0; /* not used */
ctx->Const.Program[MESA_SHADER_COMPUTE].MaxOutputComponents = 0; /* not used */
ctx->Const.Program[MESA_SHADER_COMPUTE].MaxAtomicBuffers = 8;
ctx->Const.Program[MESA_SHADER_COMPUTE].MaxAtomicCounters = 8;
ctx->Const.Program[MESA_SHADER_COMPUTE].MaxImageUniforms = 8;
ctx->Const.Program[MESA_SHADER_COMPUTE].MaxUniformBlocks = 12;
switch (ctx->Const.GLSLVersion) {
case 100:
ctx->Const.MaxClipPlanes = 0;
ctx->Const.MaxCombinedTextureImageUnits = 8;
ctx->Const.MaxDrawBuffers = 2;
ctx->Const.MinProgramTexelOffset = 0;
ctx->Const.MaxProgramTexelOffset = 0;
ctx->Const.MaxLights = 0;
ctx->Const.MaxTextureCoordUnits = 0;
ctx->Const.MaxTextureUnits = 8;
ctx->Const.Program[MESA_SHADER_VERTEX].MaxAttribs = 8;
ctx->Const.Program[MESA_SHADER_VERTEX].MaxTextureImageUnits = 0;
ctx->Const.Program[MESA_SHADER_VERTEX].MaxUniformComponents = 128 * 4;
ctx->Const.Program[MESA_SHADER_VERTEX].MaxCombinedUniformComponents = 128 * 4;
ctx->Const.Program[MESA_SHADER_VERTEX].MaxInputComponents = 0; /* not used */
ctx->Const.Program[MESA_SHADER_VERTEX].MaxOutputComponents = 32;
ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxTextureImageUnits =
ctx->Const.MaxCombinedTextureImageUnits;
ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxUniformComponents = 16 * 4;
ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxCombinedUniformComponents = 16 * 4;
ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxInputComponents =
ctx->Const.Program[MESA_SHADER_VERTEX].MaxOutputComponents;
ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxOutputComponents = 0; /* not used */
ctx->Const.MaxVarying = ctx->Const.Program[MESA_SHADER_VERTEX].MaxOutputComponents / 4;
break;
case 110:
case 120:
ctx->Const.MaxClipPlanes = 6;
ctx->Const.MaxCombinedTextureImageUnits = 2;
ctx->Const.MaxDrawBuffers = 1;
ctx->Const.MinProgramTexelOffset = 0;
ctx->Const.MaxProgramTexelOffset = 0;
ctx->Const.MaxLights = 8;
ctx->Const.MaxTextureCoordUnits = 2;
ctx->Const.MaxTextureUnits = 2;
ctx->Const.Program[MESA_SHADER_VERTEX].MaxAttribs = 16;
ctx->Const.Program[MESA_SHADER_VERTEX].MaxTextureImageUnits = 0;
ctx->Const.Program[MESA_SHADER_VERTEX].MaxUniformComponents = 512;
ctx->Const.Program[MESA_SHADER_VERTEX].MaxCombinedUniformComponents = 512;
ctx->Const.Program[MESA_SHADER_VERTEX].MaxInputComponents = 0; /* not used */
ctx->Const.Program[MESA_SHADER_VERTEX].MaxOutputComponents = 32;
ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxTextureImageUnits =
ctx->Const.MaxCombinedTextureImageUnits;
ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxUniformComponents = 64;
ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxCombinedUniformComponents = 64;
ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxInputComponents =
ctx->Const.Program[MESA_SHADER_VERTEX].MaxOutputComponents;
ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxOutputComponents = 0; /* not used */
ctx->Const.MaxVarying = ctx->Const.Program[MESA_SHADER_VERTEX].MaxOutputComponents / 4;
break;
case 130:
case 140:
ctx->Const.MaxClipPlanes = 8;
ctx->Const.MaxCombinedTextureImageUnits = 16;
ctx->Const.MaxDrawBuffers = 8;
ctx->Const.MinProgramTexelOffset = -8;
ctx->Const.MaxProgramTexelOffset = 7;
ctx->Const.MaxLights = 8;
ctx->Const.MaxTextureCoordUnits = 8;
ctx->Const.MaxTextureUnits = 2;
ctx->Const.MaxUniformBufferBindings = 84;
ctx->Const.MaxVertexStreams = 4;
ctx->Const.MaxTransformFeedbackBuffers = 4;
ctx->Const.Program[MESA_SHADER_VERTEX].MaxAttribs = 16;
ctx->Const.Program[MESA_SHADER_VERTEX].MaxTextureImageUnits = 16;
ctx->Const.Program[MESA_SHADER_VERTEX].MaxUniformComponents = 1024;
ctx->Const.Program[MESA_SHADER_VERTEX].MaxCombinedUniformComponents = 1024;
ctx->Const.Program[MESA_SHADER_VERTEX].MaxInputComponents = 0; /* not used */
ctx->Const.Program[MESA_SHADER_VERTEX].MaxOutputComponents = 64;
ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxTextureImageUnits = 16;
ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxUniformComponents = 1024;
ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxCombinedUniformComponents = 1024;
ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxInputComponents =
ctx->Const.Program[MESA_SHADER_VERTEX].MaxOutputComponents;
ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxOutputComponents = 0; /* not used */
ctx->Const.MaxVarying = ctx->Const.Program[MESA_SHADER_VERTEX].MaxOutputComponents / 4;
break;
case 150:
case 330:
case 400:
case 410:
case 420:
case 430:
case 440:
case 450:
case 460:
ctx->Const.MaxClipPlanes = 8;
ctx->Const.MaxDrawBuffers = 8;
ctx->Const.MinProgramTexelOffset = -8;
ctx->Const.MaxProgramTexelOffset = 7;
ctx->Const.MaxLights = 8;
ctx->Const.MaxTextureCoordUnits = 8;
ctx->Const.MaxTextureUnits = 2;
ctx->Const.MaxUniformBufferBindings = 84;
ctx->Const.MaxVertexStreams = 4;
ctx->Const.MaxTransformFeedbackBuffers = 4;
ctx->Const.MaxShaderStorageBufferBindings = 4;
ctx->Const.MaxShaderStorageBlockSize = 4096;
ctx->Const.MaxAtomicBufferBindings = 4;
ctx->Const.Program[MESA_SHADER_VERTEX].MaxAttribs = 16;
ctx->Const.Program[MESA_SHADER_VERTEX].MaxTextureImageUnits = 16;
ctx->Const.Program[MESA_SHADER_VERTEX].MaxUniformComponents = 1024;
ctx->Const.Program[MESA_SHADER_VERTEX].MaxCombinedUniformComponents = 1024;
ctx->Const.Program[MESA_SHADER_VERTEX].MaxInputComponents = 0; /* not used */
ctx->Const.Program[MESA_SHADER_VERTEX].MaxOutputComponents = 64;
ctx->Const.Program[MESA_SHADER_GEOMETRY].MaxTextureImageUnits = 16;
ctx->Const.Program[MESA_SHADER_GEOMETRY].MaxUniformComponents = 1024;
ctx->Const.Program[MESA_SHADER_GEOMETRY].MaxCombinedUniformComponents = 1024;
ctx->Const.Program[MESA_SHADER_GEOMETRY].MaxInputComponents =
ctx->Const.Program[MESA_SHADER_VERTEX].MaxOutputComponents;
ctx->Const.Program[MESA_SHADER_GEOMETRY].MaxOutputComponents = 128;
ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxTextureImageUnits = 16;
ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxUniformComponents = 1024;
ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxCombinedUniformComponents = 1024;
ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxInputComponents =
ctx->Const.Program[MESA_SHADER_GEOMETRY].MaxOutputComponents;
ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxOutputComponents = 0; /* not used */
ctx->Const.MaxCombinedTextureImageUnits =
ctx->Const.Program[MESA_SHADER_VERTEX].MaxTextureImageUnits
+ ctx->Const.Program[MESA_SHADER_GEOMETRY].MaxTextureImageUnits
+ ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxTextureImageUnits;
ctx->Const.MaxGeometryOutputVertices = 256;
ctx->Const.MaxGeometryTotalOutputComponents = 1024;
ctx->Const.MaxVarying = 60 / 4;
break;
case 300:
ctx->Const.MaxClipPlanes = 8;
ctx->Const.MaxCombinedTextureImageUnits = 32;
ctx->Const.MaxDrawBuffers = 4;
ctx->Const.MinProgramTexelOffset = -8;
ctx->Const.MaxProgramTexelOffset = 7;
ctx->Const.MaxLights = 0;
ctx->Const.MaxTextureCoordUnits = 0;
ctx->Const.MaxTextureUnits = 0;
ctx->Const.MaxUniformBufferBindings = 84;
ctx->Const.MaxVertexStreams = 4;
ctx->Const.MaxTransformFeedbackBuffers = 4;
ctx->Const.Program[MESA_SHADER_VERTEX].MaxAttribs = 16;
ctx->Const.Program[MESA_SHADER_VERTEX].MaxTextureImageUnits = 16;
ctx->Const.Program[MESA_SHADER_VERTEX].MaxUniformComponents = 1024;
ctx->Const.Program[MESA_SHADER_VERTEX].MaxCombinedUniformComponents = 1024;
ctx->Const.Program[MESA_SHADER_VERTEX].MaxInputComponents = 0; /* not used */
ctx->Const.Program[MESA_SHADER_VERTEX].MaxOutputComponents = 16 * 4;
ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxTextureImageUnits = 16;
ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxUniformComponents = 224;
ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxCombinedUniformComponents = 224;
ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxInputComponents = 15 * 4;
ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxOutputComponents = 0; /* not used */
ctx->Const.MaxVarying = ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxInputComponents / 4;
break;
}
ctx->Const.GenerateTemporaryNames = true;
ctx->Const.MaxPatchVertices = 32;
/* GL_ARB_explicit_uniform_location, GL_MAX_UNIFORM_LOCATIONS */
ctx->Const.MaxUserAssignableUniformLocations =
4 * MESA_SHADER_STAGES * MAX_UNIFORMS;
}
/* Returned string will have 'ctx' as its ralloc owner. */
static char *
load_text_file(void *ctx, const char *file_name)
{
char *text = NULL;
size_t size;
size_t total_read = 0;
FILE *fp = fopen(file_name, "rb");
if (!fp) {
return NULL;
}
fseek(fp, 0L, SEEK_END);
size = ftell(fp);
fseek(fp, 0L, SEEK_SET);
text = (char *) ralloc_size(ctx, size + 1);
if (text != NULL) {
do {
size_t bytes = fread(text + total_read,
1, size - total_read, fp);
if (bytes < size - total_read) {
text = NULL;
goto error;
}
if (bytes == 0) {
break;
}
total_read += bytes;
} while (total_read < size);
text[total_read] = '\0';
error:;
}
fclose(fp);
return text;
}
static void
compile_shader(struct gl_context *ctx, struct gl_shader *shader)
{
/* Print out the resulting IR if requested */
FILE *print_file = options->dump_lir ? stdout : NULL;
_mesa_glsl_compile_shader(ctx, shader, print_file, options->dump_ast,
options->dump_hir, true);
}
extern "C" struct gl_shader_program *
standalone_compile_shader(const struct standalone_options *_options,
unsigned num_files, char* const* files, struct gl_context *ctx)
{
int status = EXIT_SUCCESS;
bool glsl_es = false;
options = _options;
switch (options->glsl_version) {
case 100:
case 300:
case 310:
case 320:
glsl_es = true;
break;
case 110:
case 120:
case 130:
case 140:
case 150:
case 330:
case 400:
case 410:
case 420:
case 430:
case 440:
case 450:
case 460:
glsl_es = false;
break;
default:
fprintf(stderr, "Unrecognized GLSL version `%d'\n", options->glsl_version);
return NULL;
}
if (glsl_es) {
initialize_context(ctx, API_OPENGLES2);
} else {
initialize_context(ctx, options->glsl_version > 130 ? API_OPENGL_CORE : API_OPENGL_COMPAT);
}
if (options->lower_precision) {
for (unsigned i = MESA_SHADER_VERTEX; i <= MESA_SHADER_COMPUTE; i++) {
struct gl_shader_compiler_options *options =
&ctx->Const.ShaderCompilerOptions[i];
options->LowerPrecisionFloat16 = true;
options->LowerPrecisionInt16 = true;
options->LowerPrecisionDerivatives = true;
options->LowerPrecisionConstants = true;
options->LowerPrecisionFloat16Uniforms = true;
}
}
struct gl_shader_program *whole_program = standalone_create_shader_program();
for (unsigned i = 0; i < num_files; i++) {
const unsigned len = strlen(files[i]);
if (len < 6)
goto fail;
const char *const ext = & files[i][len - 5];
/* TODO add support to read a .shader_test */
GLenum type;
if (strncmp(".vert", ext, 5) == 0 || strncmp(".glsl", ext, 5) == 0)
type = GL_VERTEX_SHADER;
else if (strncmp(".tesc", ext, 5) == 0)
type = GL_TESS_CONTROL_SHADER;
else if (strncmp(".tese", ext, 5) == 0)
type = GL_TESS_EVALUATION_SHADER;
else if (strncmp(".geom", ext, 5) == 0)
type = GL_GEOMETRY_SHADER;
else if (strncmp(".frag", ext, 5) == 0)
type = GL_FRAGMENT_SHADER;
else if (strncmp(".comp", ext, 5) == 0)
type = GL_COMPUTE_SHADER;
else
goto fail;
const char *source = load_text_file(whole_program, files[i]);
if (source == NULL) {
printf("File \"%s\" does not exist.\n", files[i]);
exit(EXIT_FAILURE);
}
struct gl_shader *shader = standalone_add_shader_source(ctx, whole_program, type, source);
compile_shader(ctx, shader);
if (strlen(shader->InfoLog) > 0) {
if (!options->just_log)
printf("Info log for %s:\n", files[i]);
printf("%s", shader->InfoLog);
if (!options->just_log)
printf("\n");
}
if (!shader->CompileStatus) {
status = EXIT_FAILURE;
break;
}
}
if (status == EXIT_SUCCESS && options->do_link) {
_mesa_clear_shader_program_data(ctx, whole_program);
whole_program->data->LinkStatus = LINKING_SUCCESS;
link_shaders(ctx, whole_program);
gl_nir_link_glsl(ctx, whole_program);
status = (whole_program->data->LinkStatus) ? EXIT_SUCCESS : EXIT_FAILURE;
if (strlen(whole_program->data->InfoLog) > 0) {
printf("\n");
if (!options->just_log)
printf("Info log for linking:\n");
printf("%s", whole_program->data->InfoLog);
if (!options->just_log)
printf("\n");
}
}
return whole_program;
fail:
for (unsigned i = 0; i < MESA_SHADER_STAGES; i++) {
if (whole_program->_LinkedShaders[i])
_mesa_delete_linked_shader(ctx, whole_program->_LinkedShaders[i]);
}
ralloc_free(whole_program);
return NULL;
}
extern "C" void
standalone_compiler_cleanup(struct gl_shader_program *whole_program)
{
standalone_destroy_shader_program(whole_program);
_mesa_glsl_builtin_functions_decref();
}
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